It's a voice chat conversation where the impostors were talking but the thing was that Gray always mentioned that Pink was his Mom and then the others also got into voice chat

Pink:¿HUH?...Why you all think like that...

Grey:..you is my mom..

Yellow: because you is his mom...

Green: because you is he mom...

Red: because you is his mother...

White: because you is his mom...

Maroon: because you is his mommy

Black:....